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Finding the Fourth Proportional to 302,115.60, 452,784.60 and 144,003.60

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Solution

The fourth proportional to 302,115.60, 452,784.60 and 144,003.60 is: 215,820.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,115.60 : 452,784.60 = 144,003.60 : x
  2. Step 2: Convert to fraction form
    302,115.60/452,784.60 = 144,003.60/x
  3. Step 3: Cross multiply
    302,115.60x = 452,784.60 × 144,003.60
  4. Step 4: Simplify right side
    302,115.60x = 65,202,612,424.56
  5. Step 5: Solve for x
    x = 65,202,612,424.56/302,115.60
  6. Step 6: Final answer
    x = 215,820.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.